Hydraulic Systems : Your Provider for Power and Exactness

ChangJia is a hydraulic components manufacturer specializing in hydraulic motors, hydraulic valves, hydraulic pumps, gear pumps, piston pumps, and customized hydraulic control valves. The company provides standard and custom hydraulic customized hydraulic control valve solutions for agricultural machinery, construction equipment, municipal vehicles, industrial automation, marine, and other heavy-duty applications, serving global OEMs and industrial customers.